Combinatorial study of morsifications of real univariate singularities

Author:

Bodin Arnaud1ORCID,García Barroso Evelia Rosa2ORCID,Popescu‐Pampu Patrick1ORCID,Sorea Miruna‐Ştefana3ORCID

Affiliation:

1. Laboratoire Paul Painlevé, CNRS Université de Lille Lille France

2. Departamento de Matemáticas, IMAULL Universidad de La Laguna La Laguna Tenerife Spain

3. Lucian Blaga University of Sibiu Sibiu Romania

Abstract

AbstractWe study a broad class of morsifications of germs of univariate real analytic functions. We characterize the combinatorial types of the resulting Morse functions via planar contact trees constructed from Newton–Puiseux roots of the polar curves of the morsifications.

Funder

Universidad de La Laguna

Publisher

Wiley

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